ARM: dts: r8a7792: Remove unit-address and reg from integrated cache

ARM: dts: r8a7792: Remove unit-address and reg from integrated cache

[ Upstream commit a0504f0880c11da301dc2b5a5135bd02376e367e ]

The Cortex-A15 cache controller is an integrated controller, and thus
the device node representing it should not have a unit-addresses or reg
property.

Fixes: 7c4163aae3d8e5b9 ("ARM: dts: r8a7792: initial SoC device tree")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>